Window security grilles in Grantham

How much do window security grilles cost in Grantham?

As a guide, window security grilles in Grantham cost £414 to £954 including VAT (£345 to £795 plus VAT) per window, supplied and fitted. The exact figure depends on size, type, finish and locking, and is confirmed in writing after the free survey.

A window security grille is a steel barrier fitted across a window so that breaking the glass no longer gives a way in. It can be retractable, fixed or removable, and is most often fitted inside the reveal where it is protected and barely noticed from outside.

What goes into a window grille

Retractable, fixed or removable designs
Powder-coated in white, black or anthracite to sit with the frame colour
Works with uPVC, aluminium, timber and steel windows
Quick-release escape handle for bedroom and upstairs windows
Lock positioned to clear window handles and restrictors
Made to measure for the reveal, including bays and splayed reveals

Fitting in Grantham and nearby

Surveys in Grantham (NG31) are booked around installer availability. We also cover nearby Sleaford (11 miles), Newark-on-Trent (13 miles) and Melton Mowbray (14 miles).

Lincolnshire combines the historic hilltop core of Lincoln with Grimsby and Scunthorpe's industrial terraces and many small market and coastal towns.

Typical places for this kind of grille include:

Flats with windows onto shared walkways
Outbuildings, workshops and garages with glazing
Ground-floor and basement windows
Rear windows facing alleys and gardens

Things to decide before you order

Retractable, fixed or removable

Match the grille to how often the window opens. Daily-use windows suit retractable; never-opened windows suit fixed; occasional windows suit removable.

Colour

White disappears against white frames, while black or anthracite suits darker frames and period sash windows.

Rules that apply in England

England

Grilles inside the glass

A grille fitted inside the glass does not normally need planning permission, because it does not materially change how the building looks from outside. If the building is listed, listed building consent may still be needed.

Grilles in rented homes

Landlords in England must keep rented homes free from serious hazards under the Housing Health and Safety Rating System, which includes fire. A grille that stops a tenant using an escape window can create a hazard, so grilles in rented homes should have keyless internal releases.

How it works

Send sizes or use the quote tool
Free survey at your Grantham address
Fixed price in writing
Made to measure and fitted

Window security grilles in Grantham: questions

Can you survey in Grantham and nearby towns?

Yes. Surveys in Grantham, Sleaford, Newark-on-Trent and elsewhere in Lincolnshire are booked around installer availability.

Will a grille damage my window frame?

No. Grilles fix to the wall reveal or a subframe, not to the window itself, so the frame and its warranty are unaffected.

Should window grilles go inside or outside?

Inside in most cases. Internal grilles avoid weathering, are harder to attack, keep the outside of the building unchanged and rarely need planning permission. External grilles suit openings with no internal depth.

Can I still open the window with a grille fitted?

With a retractable or removable grille, yes. Many fixed internal grilles also leave room to open the sash or casement behind them.

Window security grilles in nearby towns

Other grilles in Grantham

Ready for a price? Use the form or call 0800 088 6248.